What does Isaias Chapter 5 say, and which statements belong to its speaker?

Isaias 5 sings to beloved a cousin's vineyard canticle: vineyard on fruitful hill, fenced, cleared of stones, choicest vines, tower and winepress, expected grapes but wild grapes. A separate edition note identifies cousin as Christ through Davidic kinship and gives literal hill wording, horn, son of oil. Jerusalem and Juda are asked to judge owner and vineyard and consider what more could be done. Owner will remove hedge, break wall, allow waste and trampling, cease pruning and digging, permit briers/thorns and command no rain. Vineyard is Israel and Juda pleasant plant; expected judgment yields iniquity, justice a cry.

Woes address adjoining houses/fields to the place's end; great houses desolate, ten vineyard acres one little measure, thirty seed bushels three. Early-to-evening drinkers feast with harp, lyre, timbrel, pipe and wine but disregard divine works. Lack of knowledge brings captivity, nobles famine and multitude thirst; hell's soul and mouth expand for strong, people, high and glorious. Humans and lofty eyes bow; God exalted in judgment and sanctified justice. Lambs feed in order and strangers eat deserts turned fruitful. Further woes target drawing iniquity by vanity cords/cart rope and demanding hastened divine work/counsel; calling evil good, dark light and bitter sweet and reversals; conceited wisdom; strong drinkers who justify wicked for gifts and take just people's justice. Root becomes ashes, bud dust like fire-consuming stubble because they reject law and blaspheme word.

Wrath strikes people, mountains troubled and corpses dunglike in streets; anger remains and hand outstretched. Sign and whistle summon distant nations swiftly: none faint or labor, slumber or sleep, girdle loosened or shoe-latchet broken. Sharp arrows, bent bows, flintlike hooves and tempest wheels accompany lionlike roaring, seized prey without deliverer and sealike noise. Looking landward reveals tribulation darkness and mist-darkened light. Imperial identity, plagues, sweet/bitter grape taste and psychiatric alcoholism are not specified.